Home / 5,131.10-7,696.65-1,844.30

Finding the Fourth Proportional to 5,131.10, 7,696.65 and 1,844.30

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Solution

The fourth proportional to 5,131.10, 7,696.65 and 1,844.30 is: 2,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.10 : 7,696.65 = 1,844.30 : x
  2. Step 2: Convert to fraction form
    5,131.10/7,696.65 = 1,844.30/x
  3. Step 3: Cross multiply
    5,131.10x = 7,696.65 × 1,844.30
  4. Step 4: Simplify right side
    5,131.10x = 14,194,931.60
  5. Step 5: Solve for x
    x = 14,194,931.60/5,131.10
  6. Step 6: Final answer
    x = 2,766.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.